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52189 is a prime number
BaseRepresentation
bin1100101111011101
32122120221
430233131
53132224
61041341
7305104
oct145735
978527
1052189
1136235
1226251
131a9a7
141503b
15106e4
hexcbdd

52189 has 2 divisors, whose sum is σ = 52190. Its totient is φ = 52188.

The previous prime is 52183. The next prime is 52201. The reversal of 52189 is 98125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27225 + 24964 = 165^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 52189 - 23 = 52181 is a prime.

It is an alternating number because its digits alternate between odd and even.

52189 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26094 + 26095.

It is an arithmetic number, because the mean of its divisors is an integer number (26095).

252189 is an apocalyptic number.

It is an amenable number.

52189 is a deficient number, since it is larger than the sum of its proper divisors (1).

52189 is an equidigital number, since it uses as much as digits as its factorization.

52189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 52189 is about 228.4491190616. The cubic root of 52189 is about 37.3702777000.

The spelling of 52189 in words is "fifty-two thousand, one hundred eighty-nine".